Purpose: The purpose of this study is to evaluate the efficacy and retentiveness of various communication methods among speech and hearing impaired patients and dental practitioners. Materials and Methods: A group of 33 school participants were selected for this study. An experimental task required the participants to follow routine dental instructions in the form of videotape and photographic charts and answer the questionnaire based on visual instructions. School participants were visited two times at an interval of 1 month. Participants were randomly divided into three groups, each consisting of 11 school participants, irrespective of gender and age. Group 1 received visual instructions without showing video and charts, Group 2 received video instructions, and Group 3 received photographic instructions. The questionnaires were assessed immediately and after 1 month. Results: The study results were assessed in terms of improvement in knowledge concerning communication skills and long-term retention of the instructions for 1 month. ANOVA followed by post hoc Tukey test revealed a significant difference between Group 1 and other groups. However, there was no statistically significant difference between Group 2 and Group 3. The paired t-test revealed that there was a significant difference between the two visits in Group 1. However, there was no significant difference between visit 1 and visit 2 in Group 2 and Group 3. Conclusion: Health-care workers and patients with special needs like hearing-impaired patients should overcome communication barriers that may hinder proper diagnosis and treatment planning.
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